You get nasty pumping effects as the multiplier varies quickly...

I too, have experienced strange behavior like what you describe. Very quick up/down action. Most unfresh.

So I'm wondering, is there any way to modify the VolAdj code to read ahead a little bit and try to smooth things out a bit? Maybe do some sort of anti-aliasing on the ramping?

Not sure if this is even possible, just a thought.
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Dario
MK2 in an Impreza 2.5RS